Easy Flow and Write Smoothly --Equipped with a hand-polished stainless steel nib and quality feed system to ensure you write effortlessly on any type of paper. High Ink Capacity -- The pen's built-in piston filling system holds far more ink than a cartridge and lets you draw ink straight from the bottle, no converter required! Charming Color and Ink Window Design -- Features a modern, eye-catching design and charming color acrylic celluloid. With the transparent ink window, you can keep track of the ink supply easily. Well-Balanced for daily writing -- The ergonomic acrylic section has a no-slip design and ensure you have a comfort grip for long time writing. Every pen was handcrafted and individually checked by our craftsman for flawless quality before sending out. If you have any issue on using this pen, please kindly send us a message! ASIN B0DCVW97F9 Color Green Marble Style Fine Point Ink Base Water Grip Type ergonomic grip Ink Color No Ink Included Line Size 0.5 Millimeters Body Shape Round Brand Name Asvine Unit Count 1.0 Count Drill Point Fine Item Weight 28.3 Grams Closure Type Snap Manufacturer Asvine Model Number P20GMVDF01 Material Type Stainless Steel Additional Features Refillable Warranty Description 12 months Age Range Description Adult Writing Instrument Form Fountain Pen